When a current of 5 A flows through an ammeter, it gives full deflection. The resistance of ammeter is 20 \(\Omega\). If the same ammeter is to be used for measuring a maximum current of 10 A, then the ammeter must be connected to a resistance of :

A \( 100 \mu F \) capacitor is charged with a 50 V source supply. Then the source supply is removed, and the capacitor is connected across a pure inductor coil. As a result of which 5 A current flows through the inductor. The value of the self-inductance of the coil is:

A charged particle carrying charge \(q = 1 \mu C\) moves in a uniform magnetic field with velocity \(v_1 = 10^6 \text{ m/s}\) at an angle of \(45^\circ\) with the x-axis in the xy-plane and experiences a force \(F_1 = 0.4\sqrt{2} \text{ N}\) along the negative z-axis. When the same particle moves with velocity \(v_2 = 10^6 \text{ m/s}\) along the z-axis, it experiences a force \(F_2\) in the y-direction. Find the magnitude of the magnetic field.

A \( 14.0 \, \mu\text{F} \) capacitor is connected to a 220 V, 50 Hz source. The value of peak current in the circuit is (Given: \( \pi = \frac{22}{7} \) and \( \sqrt{2} = 1.414 \)):

A \(\beta\)-particle is moving perpendicular to the uniform electric field created by a potential difference of \( 6 \times 10^3 \text{ V} \) across parallel metal plates separated by a distance of 6 cm. What is the acceleration of the beta particle between the plates? (Mass of electron = \( 9.1 \times 10^{-31} \text{ kg} \))

The primary voltage and primary current of a transformer are 220 V and 10 A. The ratio of the number of turns on the secondary coil to the number of turns on the primary coil is 2:1. The values of voltage and current at the output are

The magnetic energy stored in an induction coil (choose the correct statement).

Let \(X\) denotes the number of hours a person uses a mobile and the probability distribution of \(X\) is as :

X	0	1	2	3	4
P(X)	0.1	K	2K	2K	K

Then the value of \(K\) is

The unit of rate constant for first order reaction is:

The IUPAC name of allylamine is.

Read the Passage carefully and answer the questions
When a ligand is bound to a metal ion through a single donor atom, it is said to be a unidentate ligand but when it bind through two donor atoms, then it is said to be didentate ligand and when several donor atoms are present in a single ligand, it is said to be a polydentate ligand. When a dior polydentate ligand uses its two or more donor atoms simultaneously to bind a single metal ion, it is said to be a chelate ligand. The number of such ligating groups is called the denticity of the ligand. ligand which has two different donor atoms and either of the two ligetes in the complex is called ambidentate ligands. The number of ligand donor atoms to which the metal is directly bonded, is called coordination number of the metal ion in the complex. Complexes in which a metal is bound to only one kind of donor groups are known as homoleptic and in which a metal is bound to more than one kind of donor groups are known as heteroleptic complexes.
The coordination number of Co and Al in \(\left[ CoCl ( en )_2\right] Cl\) and \(K _2\left[ Al \left( C _2 O _4\right)_3\right]\), respectively, are

The value of \(\int_0^3|2 x-6| d x\) is :

Choose the correct statement.